1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/pwm/pwm-tiehrpwm.c b/drivers/pwm/pwm-tiehrpwm.c
index caf00feadc66..d3c1dff0a0dc 100644
--- a/drivers/pwm/pwm-tiehrpwm.c
+++ b/drivers/pwm/pwm-tiehrpwm.c
@@ -221,7 +221,7 @@ static int ehrpwm_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
         unsigned short ps_divval, tb_divval;
         int i, cmp_reg;
 
-        if (period_ns < 0 || duty_ns < 0 || period_ns > NSEC_PER_SEC)
+        if (period_ns > NSEC_PER_SEC)
                 return -ERANGE;
 
         c = pc->clk_rate;